Highlights Temperatures expected to rise to triple digits NYISO Aug. 12 demand forecast the highest in nearly three years US Northeast power, gas prices trended higher Aug. 11 as the third heat wave of 2021 hit the region. Now Mass Hub day-ahead on-peak prices jumped double digits day on day on the Intercontinental Exchange to trade around $102.25/MWh, rising to its highest level since late June, when the region saw similar weather conditions. The corresponding balance of the week traded just slightly lower, around $97/MWh. In comparison, the day-ahead contract averaged $44.40/MWh month-to-date and $27.13/MWh in August 2020, according to the S&P Global Platts data. Real-time locational marginal prices were also elevated Aug. 11, trading in the mid-$100s/MWh across the board as of 4 pm ET. In NYISO, Zone J NYC on-peak rose about $6.25 to […]